1320130111 has 4 divisors (see below), whose sum is σ = 1321198552. Its totient is φ = 1319061672.

The previous prime is 1320130093. The next prime is 1320130117. The reversal of 1320130111 is 1110310231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320130111 - 2⁵ = 1320130079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320130091 and 1320130100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320130117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532365 + ... + 534838.

It is an arithmetic number, because the mean of its divisors is an integer number (330299638).

Almost surely, 2^1320130111 is an apocalyptic number.

1320130111 is a deficient number, since it is larger than the sum of its proper divisors (1068441).

1320130111 is a wasteful number, since it uses less digits than its factorization.

1320130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068440.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1320130111 is about 36333.5947987534. The cubic root of 1320130111 is about 1096.9973514067.

Adding to 1320130111 its reverse (1110310231), we get a palindrome (2430440342).

The spelling of 1320130111 in words is "one billion, three hundred twenty million, one hundred thirty thousand, one hundred eleven".